气候变化领域集成服务门户(CCPortal): Modulation of feed digestibility, nitrogen metabolism, energy utilisation and serum biochemical indices by dietary Ligularia virgaurea supplementation in Tibetan sheep

CCPortal

DOI	10.1016/j.animal.2023.100910
	Modulation of feed digestibility, nitrogen metabolism, energy utilisation and serum biochemical indices by dietary Ligularia virgaurea supplementation in Tibetan sheep
	Cui, Xiongxiong; Wang, Zhaofeng; Yan, Tianhai; Chang, Shenghua; Hou, Fujiang
发表日期	2023
ISSN	1751-7311
EISSN	1751-732X
卷号	17 期号:8
英文摘要	Ligularia virgaurea is the most widely functional native herbage in the alpine meadow pastures of the Qinghai-Tibet Plateau (o) and has multiple pharmacological and biological activities. The effect of L. virgaurea as a dietary component on the digestion and metabolism of sheep was evaluated by conduct-ing feeding trials in metabolic cages. Thirty-two Tibetan yearling rams (29 & PLUSMN; 1.56 kg BW) were randomly allotted to four groups included in a completely randomised design with eight animals per treatment. Sheep were fed a basal diet (freshly native pasture) without the addition of L. virgaurea (control) or with the addition of L. virgaurea (100, 200, or 300 mg/kg BW per day) for 45 days. Addition of L. virgaurea to the diet of Tibetan sheep was found to influence the average daily gain (quadratic [Q], P < 0.001), feed con-version ratio (Q, P = 0.002), CH4 emissions (linear [L], P = 0.029), DM (Q, P = 0.012), neutral detergent fibre (Q, P = 0.017), acid detergent fibre (ADF) (Q, P = 0.027), and ether extract (EE) intake (Q, P = 0.026). Apparently, different levels of L. virgaurea affected the digestibility coefficients of DM, ADF, and EE (L, P > 0.05; Q, P < 0.05). The nitrogen (N) intake (Q, P = 0.001), retained nitrogen (Q, P < 0.001), and N utilisation efficiency (L, P > 0.05; Q, P & LE; 0.001) were also affected by the dietary inclusion of L. virgaurea. Effects of L. virgaurea feeding were also witnessed on methane energy (CH4-E) (L, P = 0.029), gross energy (GE) (Q, P = 0.013), digestible energy (DE) (Q, P = 0.015), and metabolisable energy (ME) intake (Q, P = 0.015). Energy utilisation efficiency expressed as a proportion of GE intake (DE/GE intake, ME/GE intake, ME/DE intake, FE/GE intake, and CH4-E/GE intake) manifested quadratic changes (P < 0.05) with the increase in the L. virgaurea supplementation level. The addition of L. virgaurea increased the activity of superoxide dismutase (Q, P = 0.026) and glutathione peroxidase activity (Q, P = 0.039) in the serum. Overall, the greatest improvement of feed digestibility, N retention, energy utilisation, and antioxidant capacity of Tibetan sheep was yielded by the inclusion of 200 mg/kg BW per day of L. virgaurea. Therefore, the addition of an appropriate amount of L. virgaurea to the diet of Tibetan sheep is safe and natural, and may enhance the sustainability of small ruminant production systems in QTP areas.& COPY; 2023 The Author(s). Published by Elsevier B.V. on behalf of The Animal Consortium. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
关键词	Alpine meadow pasture Functional native herbage Grazing Qinghai-Tibetan Plateau Sustainability
英文关键词	PLANT SECONDARY METABOLITES; RUMEN FERMENTATION; METHANE PRODUCTION; ESSENTIAL OILS; ANTIOXIDANT; PROTEIN; PERFORMANCE; DIVERSITY; CARBOHYDRATE; TERPENOIDS
WOS研究方向	Agriculture, Dairy & Animal Science ; Veterinary Sciences
WOS记录号	WOS:001051477100001
来源期刊	ANIMAL
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/283780
作者单位	Lanzhou University; Ministry of Agriculture & Rural Affairs; Agri-Food & Biosciences Institute
推荐引用方式 GB/T 7714	Cui, Xiongxiong,Wang, Zhaofeng,Yan, Tianhai,et al. Modulation of feed digestibility, nitrogen metabolism, energy utilisation and serum biochemical indices by dietary Ligularia virgaurea supplementation in Tibetan sheep[J],2023,17(8).
APA	Cui, Xiongxiong,Wang, Zhaofeng,Yan, Tianhai,Chang, Shenghua,&Hou, Fujiang.(2023).Modulation of feed digestibility, nitrogen metabolism, energy utilisation and serum biochemical indices by dietary Ligularia virgaurea supplementation in Tibetan sheep.ANIMAL,17(8).
MLA	Cui, Xiongxiong,et al."Modulation of feed digestibility, nitrogen metabolism, energy utilisation and serum biochemical indices by dietary Ligularia virgaurea supplementation in Tibetan sheep".ANIMAL 17.8(2023).